WO2019083349A1 - Système de prothèse modulaire du bras - Google Patents

Système de prothèse modulaire du bras

Info

Publication number
WO2019083349A1
WO2019083349A1 PCT/MX2018/000112 MX2018000112W WO2019083349A1 WO 2019083349 A1 WO2019083349 A1 WO 2019083349A1 MX 2018000112 W MX2018000112 W MX 2018000112W WO 2019083349 A1 WO2019083349 A1 WO 2019083349A1
Authority
WO
WIPO (PCT)
Prior art keywords
module
prosthesis
modular
fingers
battery
Prior art date
Application number
PCT/MX2018/000112
Other languages
English (en)
Spanish (es)
Inventor
Adrián ARMENTA MEZA
Óscar Esteban CAZARES ALMARAL
Rafael Irving ESPARZA GUTIÉRREZ
Jesús Manuel HERRERA HERNÁNDEZ
Original Assignee
Proyectos Oftalmológicos, S.A. De C.V.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Proyectos Oftalmológicos, S.A. De C.V. filed Critical Proyectos Oftalmológicos, S.A. De C.V.
Priority to US16/759,650 priority Critical patent/US20200306057A1/en
Publication of WO2019083349A1 publication Critical patent/WO2019083349A1/fr

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/50—Prostheses not implantable in the body
    • A61F2/54—Artificial arms or hands or parts thereof
    • A61F2/58—Elbows; Wrists ; Other joints; Hands
    • A61F2/583—Hands; Wrist joints
    • A61F2/586—Fingers
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/50—Prostheses not implantable in the body
    • A61F2/54—Artificial arms or hands or parts thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/50—Prostheses not implantable in the body
    • A61F2/68—Operating or control means
    • A61F2/70—Operating or control means electrical
    • A61F2/72—Bioelectric control, e.g. myoelectric
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/50—Prostheses not implantable in the body
    • A61F2/78—Means for protecting prostheses or for attaching them to the body, e.g. bandages, harnesses, straps, or stockings for the limb stump
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/50—Prostheses not implantable in the body
    • A61F2/78—Means for protecting prostheses or for attaching them to the body, e.g. bandages, harnesses, straps, or stockings for the limb stump
    • A61F2/7812—Interface cushioning members placed between the limb stump and the socket, e.g. bandages or stockings for the limb stump
    • A61F2/7843—Inflatable bladders
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/50—Prostheses not implantable in the body
    • A61F2/78—Means for protecting prostheses or for attaching them to the body, e.g. bandages, harnesses, straps, or stockings for the limb stump
    • A61F2/80—Sockets, e.g. of suction type
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/50—Prostheses not implantable in the body
    • A61F2/54—Artificial arms or hands or parts thereof
    • A61F2002/543—Lower arms or forearms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F2/00—Filters implantable into blood vessels; Prostheses, i.e. artificial substitutes or replacements for parts of the body; Appliances for connecting them with the body; Devices providing patency to, or preventing collapsing of, tubular structures of the body, e.g. stents
    • A61F2/50—Prostheses not implantable in the body
    • A61F2/78—Means for protecting prostheses or for attaching them to the body, e.g. bandages, harnesses, straps, or stockings for the limb stump
    • A61F2/80—Sockets, e.g. of suction type
    • A61F2002/802—Suction sockets, i.e. utilizing differential air pressure to retain the prosthesis on the stump
    • A61F2002/805—Suction sockets, i.e. utilizing differential air pressure to retain the prosthesis on the stump having an air valve

Definitions

  • the present invention relates to the field of prostheses, specifically to modular prostheses for people who lack the member at the transradial level.
  • the state of the art in US 2005/0021154 A1 describes a handling device for a finger prosthesis comprising a method and an apparatus for determining the complex impedance of an electrical component.
  • the method comprises the steps of applying an input signal to the component comprising a plurality of discrete frequencies simultaneously and determining the complex impedance of the component at each of the frequencies using a discrete demodulation technique in two parameters related to the complex impedance in each of the discrete values of frequencies.
  • This method is applicable in electrically noisy environments and can be used to determine the impedance and the equivalent circuit parameters for a battery. It can also be applied to the interconnections of the battery system to allow the currents of the battery system to be determined.
  • a cam includes a pair of opposing cam surfaces for simultaneous registration with the index finger and thumb assemblies.
  • a spring presses said sets of fingers in an open position against said cams.
  • a reversible electric motor inside the housing has an output shaft geared to the camshaft.
  • a power supply, a switch and an electrical circuit inside the housing connect said motor.
  • the switch under the control of a piece of arm can be activated in one direction, by rotating said cams in a direction that moves said finger and thumb assemblies inward to grasp an object, deactivating said switch by stopping said fingers. Actively activating said switch in the opposite direction by inverting said motor, rotating said cams in the opposite direction by turning said thumb and finger assemblies to move outwardly releasing said object.
  • US Pat. No. 4,248,881 which describes a digitally controlled artificial hand having a fully articulated movement of the wrist is found.
  • the invention provides a digitally controlled remote manipulator device, capable of reproducing all major movements of the human forearm, wrist and hand in a compact inline package. This movement is carried out without the requirement of feedback, thus making the invention suitable for digital computer control.
  • the packing of! The device allows it to be sealed, which means that it can be used as a remote manipulator that can reproduce the human arm and the movements of the hand.
  • the package also produces a lightweight and cosmetically pleasing prosthetic device for human use.
  • a socket adjustable for lower limb prosthesis which allows a prosthesis to be adjusted to variations, comprising: an adjustment system that is responsible for compensating the loss of muscle mass, a structure system that is a rigid support that provides support to the socket, a clamp, a supporting structure and a base system containing the inflation system of the fasteners and a bolt orifice system that allows the assembly of the adjustment system and the structure system.
  • the market prosthesis models use their construction in one piece, where it is usually necessary to replace the entire device if any failure occurs.
  • the prosthesis model of the present invention employs a modular construction, this allows to replace by independent modules if in some there is a certain failure or if it is necessary to update them.
  • prostheses in the market have capacity for a single movement, flexion and extension, are totally mechanical or even do not have any movement.
  • the prosthesis of the present invention allows independent movement in the thumb and index fingers, with which they can perform functions of greater precision for different activities.
  • the present invention is designed to help patients who suffer from lack of any upper limb with level of the forearm, either for congenital reasons or amputation, to their social and personal development, In terms of its functionality, it allows executing actions of the day by day, like taking a glass, holding a pen, holding a card, holding a door, among others. It also creates a system that adapts to the shape of the user's stump, allowing the prosthesis to grip the body to be safe, comfortable and that, unlike other prostheses on the market, it does not require a specialist and weeks of adaptation and training. to be able to start using it.
  • the arm prosthesis is made with quality materials and very durable, using state-of-the-art manufacturing techniques that allow us to create complex pieces at a low cost. This allows us to have a much lower price of the device than is handled in the arm prosthesis market with similar functions, reaching up to 20 times lower price.
  • the present invention provides a modular arm prosthesis, comprising: a first module including a drive system and a mechanism for moving fingers and a control card; a second module having a first side configured to be coupled to the first module and a second side configured to be coupled to a trunnion of a user; the second module includes, in its internal part, a pneumatic system with an air intake valve to inflate the internal part of the second module and an air expulsion valve to deflate the internal part of the second module.
  • the modular arm prosthesis comprises an intermediate module between e! First module and second module, the intermediate module includes a power supply battery for the prosthesis, said battery supplies power to the control card.
  • the modular arm prosthesis comprises a power supply battery in the first module for the prosthesis, said battery supplies power to a control card located in the first module.
  • the present invention provides a module for modular arm prosthesis, comprising: a first side configured to be coupled to an additional module and a second side configured to be coupled to a user's stump; the module includes, in its internal part, a pneumatic system with an air intake valve to inflate the internal part of the module and an air expulsion valve to deflate the internal part of the module.
  • the module for modular arm prosthesis also comprises an intermediate module between the module and the additional module, the additional module includes a motor system and a mechanism for moving fingers and a control card, the intermediate module includes a battery of power supply for the prosthesis, said battery supplies power to the control card.
  • the modular arm prosthesis module includes a power supply battery in the added module! for the prosthesis, said battery supplies power to a control card located in the additional module.
  • Figure 1 is a view of the arm prosthesis divided into modules of the present invention
  • Figure 2 is an exploded view of the palm module of the arm prosthesis of the present invention
  • Figure 3 is an exploded view of the Socket-Chassis module of the arm prosthesis of the present invention.
  • Figure 4 is an exploded view of the Socket-Trunk module of the arm prosthesis of the present invention.
  • Figure 5 is a sectional view of the arm prosthesis assembly guides of the present invention.
  • Figure 8 is a sectional view of the Socket module assembly
  • Figure 7 is Electrical connection block diagram, data reading and sending of signals from the control card for the operation of the modular prosthesis
  • Figure 8 is Flow diagram of the robotic arm modular prosthesis control algorithm, which explains how the functions of the prosthesis are controlled by the use of 2 myoelectric sensors;
  • Figure 9 is a view of the arm prosthesis divided into modules of a Jad of the present invention.
  • Figure 10 is an exploded view of the palm module of the arm prosthesis of the embodiment of the present invention. Detailed description of how to go
  • the arm prosthesis is a device for people who lack the member at the transradial level, either due to congenital causes or amputations.
  • the prosthesis is made up of three main modules (1, 2, 3), the first module called Palma (1) is responsible for storing the motor system, the control card and the mechanism responsible for the movement of the fingers, the second module called Socket-Chassis (2 ) has the function of being the coupling between the Palm and the SockeMVSu ⁇ ón (3), as well as the storage of the battery, and the third module called Socket-Muftón (3) that is in charge of coupling the prosthesis to the end user, which they are connected to each other by means of assembly guides (8,9) which allow a firm and safe assembly.
  • the first module called Palma (1) is responsible for storing the motor system, the control card and the mechanism responsible for the movement of the fingers
  • the second module called Socket-Chassis (2 ) has the function of being the coupling between the Palm and the SockeMVSu ⁇ ón (3), as well as the storage of the battery
  • Socket-Muftón (3) that is in charge of coupling the prosthesis to the end user, which they are connected to each
  • the module of Palm (1) comprises distal fingers (5) and proximal fingers (6) which are the main part for grasping objects duplicating the basic functions of a hand that are flexion, extension , click and clamp.
  • the motor system (7) is used to generate the gripping force by means of servomotors (12), which are controlled by the control card (14), being the one in charge of processing the signals of the myoelectric sensors (4) and translate the signals to movement in the prosthesis, when operating a command with the myoelectric sensors (4), the control card (14) is responsible for sending the corresponding signals to each of the servomotors (12 ) to generate the actions in the prosthesis, the servomotors (12) move a pulley which in turn entangles a cable that is inside the fingers which are the ones that transmit the force of the servomotors towards the fingers.
  • the distal fingers (5) are connected with the proximal fingers (6) by means of Chicago screws (1), a mechanism is included for the extension of the hand which consists of torsion springs (10) that generate a force in the opposite direction to that of the servomotors (12), so that, when the force for bending is no longer applied, the springs return the fingers of the prosthesis to their original position.
  • the distal fingers (5), proximal fingers (8) and the motor system (7) are held together thanks to the Chicago screws (1 1) thereby allowing movement of the palm module (1).
  • the motor system comprises the servomotor (12), control card (14) and palm cap (13), which are responsible for the independent movement of the thumb and forefinger, and joint of the middle, ring and little fingers.
  • the control card (14) is responsible for manipulating the input signals of myoelectric sensors (4), and output for the movement of the servomotors (12) allowing a very simple control without the need for a prolonged training.
  • the palm system (1) has an organic design that closely resembles a real human hand, which makes it very attractive to the human eye.
  • the Socket-Chassis module (2) which is coupled with the palm module (1) by means of an assembly guide (8).
  • This system is responsible for storing the battery (17) that supplies power to the device.
  • the average duration of the battery (17) is about 8 hours of continuous work, allowing its use during the day and recharging during the night.
  • the Socket-Chassis module (2) is integrated by the cover (16) for protection and containment of the battery (17), a Jack (18) designed especially to be able to collect the battery (17) to the Socket-Chassis (2) , e! Jack (18) has two plates (19a, 19b) which are used for coupling to the current terminals of the battery (17), the screen (21) shows the menu of options programmed to generate the movement of the prosthesis.
  • the control card (14) In the area of the wrist, all the necessary connections for the communication of the myoelectric (4) and energy sensors are located, which communicate with the control card (14).
  • the socket module (3) is coupled with the Socket-Chassis module (2), by means of the assembly guide (9). It is responsible for the attachment to the user's limb. It is composed of a pneumatic circuit (22) in the internal part, which, when entering volume of air, changes its shape, imprisoning the stump and keeping it in its position, this allows to elaborate measurements Defined sizes, providing the user with the one that best fits the size of your stump even if its dimensions change over time. Likewise, it comprises an air intake valve (23), this type valve WALBRO WYJ33 serves for the entry of air to the pneumatic circuit (22) in one direction, the bulb is pressed on the side of the socket stump (3) ) pushing the air that is stored inside the bulb, towards e!
  • WALBRO WYJ33 serves for the entry of air to the pneumatic circuit (22) in one direction, the bulb is pressed on the side of the socket stump (3) ) pushing the air that is stored inside the bulb, towards e!
  • the Socke ⁇ -Trunnion module (3) is in direct contact with the user and serves to grip his stump. It consists of an internal pneumatic circuit (22) that is inflated and deflated to grip the stump in a comfortable and versatile manner, an air intake valve (23), a Socket-Chassis (25), a connection copy ( 26), exhaust valve cover (27) and air exhaust valve (24).
  • an air intake valve (23) When pressing the air intake valve (23), it injects pressurized air that makes the pneumatic circuit (22) increase its volume and thus imprison the user's stump, the exhaust valve (24) serves to release the pressure and thus able to remove the prosthesis from the user's arm.
  • the assembly guides (9, 8) can be seen from the bottom of the Socket (25), which is the housing that protects the trunnion and functions as a chassis for the stump socket module (3) for the assembly (9) with the Socket-Chassis module (2), making a modular assembly that allows to change the modules in case of maintenance or update, these guides serve as guide rails for the correct positioning and union between components, the assembly (9) ) has the modality of being able to rotate certain degrees for an adjustment depending on the person.
  • the assembly guide (8) is designed to be assembled from a single way and have a solid assembly.
  • a section view of the lower part of the Socket-Trunnion module (3) can be observed, to give a clearer image about the Socket-Trunnion (3), this comprises in its interior a pneumatic circuit (22) which has two connectors (28) of 3.2 mm, one connector is connected to the air intake valve (23) by means of hoses, the other connector (28) of 3.2 mm is connected to a copy (26) ), for the threading of the air exhaust valve (24).
  • the energy ia provides a battery (17) which passes to a voltage regulator (41), which feeds 2.
  • the myoelectric sensors (42,43) are responsible for recording and translating the signals of the user's body to an analogy signal, which the controller (48) registers those signals, and by means of a control algorithm (figure 8) the controller (46) sends a series of pulses (47, 48, 49) to each of the servomotors (50, 51, 52), to generate a coordinated series of movement which are translated into functions of the prosthesis.
  • a flow chart is shown, which shows a representation of the operation of the control algorithm of the modular arm prosthesis.
  • the system initializes the variable timer (T), the variable (i) and places the Modular arm prosthesis in its initial position, the cycle starts with the reading of sensor 1, when the condition of sensor 1 is met, exceeding a certain range programmed into the controller (S1>), adds to the value of "i", if the following sensor condition 2 (S2 ⁇ ) is not met, the cycle continues and if the value of "i" is greater than 4 , the value of "i” is reset to 0. If the sensor 2 is satisfied (S2>), a function of the prosthesis is activated, determined by the value of "i", when the function is activated the value of " i "is reset to 0, and so the cycle starts again (start).
  • the arm prosthesis is a device for people who lack the limb at the transradial level, whether due to congenital causes or amputations.
  • the prosthesis consists of two main modules (100, 300), the first module called Palma (100) is responsible for storing the motor system, the control card and the mechanism responsible for! movement of the fingers and the battery, and the module called Socket-Trunnion (300) that is in charge of coupling the prosthesis to the fine user !, which are connected to each other by means of assembly guides (800) which allow a firm and secure assembly.
  • the Palm module (100) comprises distal fingers (500) and proximal fingers (800) which are the main part for grasping objects replicating the basic functions of a hand that are flexion, extension , click and clamp.
  • the motor system (700) responsible for generating the grip force is used by means of servomotors (120), which are controlled by the control card (140), being the one in charge of processing the signals of the myoelectric sensors (400) and translate the signals to movement in the prosthesis, when operating a command with the myoelectric sensors (400), the control card (140) is responsible for sending signals corresponding to each of the servomotors (120) to generate the actions in the prosthesis, the servomotors (120) move a pulley which in turn entangles a cable that is inside the fingers which are the ones that transmit the force of the servomotors towards the fingers , all this powered by a battery (142) in the palm module (100).
  • the distal fingers (500) are connected with the proximal fingers (600) by means of Chicago-type screws (111), a mechanism for the extension of the hand is included which consists of torsional springs (110) that generate a force in the direction opposite to the one of the servomotors (1 0), so that, when stopping to apply the force for the flexion, the springs return the fingers of the prosthesis to its original position.
  • the motor system comprises the servomotor (120), control card (140) and cover palm (130), which are responsible for the independent movement of the thumb and forefinger, and joint of the middle, ring and little fingers.
  • the combination of these movements allows to program different functions that facilitate the performance of the daily activities of! user.
  • the control card (140) is responsible for manipulating the input signals of myoelectric sensors (400), and output for the movement of the servomotors (120) allowing a very simple control without the need for a prolonged training.
  • the Palma module (100) has an organic design that closely resembles a real human hand, which makes it very attractive to the human eye.
  • the socket module (300) is composed of a pneumatic circuit (220) in the internal part, which, when entering volume of air, changes its shape, imprisoning the stump and keeping it in position, this allows to develop defined measures of sizes, providing the user with the one that best fits the size of his stump even if its dimensions change over time.
  • this type valve WALBRO VWJ33 serves to enter air pneumatic circuit (220) in one direction, the bulb is pressed on the side of the stump socket (300 ) pushing the air that is stored inside the bulb, towards the outlet tube, which is connected by means of a hose (not shown) to the 3.2 mm connector (280) for air entry to the pneumatic circuit (220) when removing the pressure of the bulb the vacuum that is generated inside performs an air suction function, which fills the air bulb, this generates a cycle of air intake which is used to control the internal pressure of the pneumatic circuit and a valve of air ejection (270) to release the pressure and remove the prosthesis with ease.

Landscapes

  • Health & Medical Sciences (AREA)
  • Transplantation (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Cardiology (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • Prostheses (AREA)

Abstract

La présente invention concerne une prothèse modulaire du bras, pour des amputations de niveau supérieur au niveau de l'avant-bras. La caractéristique de modularité offre l'avantage de réduire le temps de réparation du fait du remplacement rapide du module. Le module emboîture-moignon peut être ajusté à divers moignons en raison de son système pneumatique de maintien, réduit le niveau de personnalisation de chaque prothèse et réduit de la sorte le temps de fabrication et le coût de production de chaque prothèse, ainsi que son contrôle aisé au moyen de capteurs microélectroniques.
PCT/MX2018/000112 2017-10-27 2018-10-26 Système de prothèse modulaire du bras WO2019083349A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US16/759,650 US20200306057A1 (en) 2017-10-27 2018-10-26 Modular prosthetic arm system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
MX2017013912A MX2017013912A (es) 2017-10-27 2017-10-27 Sistema de protesis modular de brazo.
MXMX/A/2017/013912 2017-10-27

Publications (1)

Publication Number Publication Date
WO2019083349A1 true WO2019083349A1 (fr) 2019-05-02

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PCT/MX2018/000112 WO2019083349A1 (fr) 2017-10-27 2018-10-26 Système de prothèse modulaire du bras

Country Status (3)

Country Link
US (1) US20200306057A1 (fr)
MX (1) MX2017013912A (fr)
WO (1) WO2019083349A1 (fr)

Cited By (1)

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